package Homework.dayH;

import java.io.*;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Scanner;

public class Client {
        private Socket socket;

        public Client(){
            try {
                System.out.println("正在连接服务端......");
                socket = new Socket("localhost",8088);
                System.out.println("与服务端建立连接！");
            }catch (IOException e){
                e.printStackTrace();
            }
        }
        public void start(){
            try {
                OutputStream out = socket.getOutputStream();
                OutputStreamWriter osw = new OutputStreamWriter(out, StandardCharsets.UTF_8);
                PrintWriter bw = new PrintWriter(osw);
                PrintWriter pw = new PrintWriter(bw,true);
                System.out.println("请输入想发送的内容，输入\"exit\"退出聊天室");

                Scanner scanner = new Scanner(System.in);
                //首次要求用户输入自己的昵称
                while (true){
                    System.out.println("请输入昵称:");
                    String nickname = scanner.nextLine();
                    if (nickname.trim().length() > 0){
                            pw.println(nickname);
                            break;
                    }
                    System.out.println("昵称不能为空");
                }
                //启动线程接受器服务端发送过来的消息
                ServerHandler handler = new ServerHandler();
                Thread t = new Thread(handler);
                t.start();
                while (true){
                    String line = scanner.nextLine();
                    if ("exit".equals(line)){
                        break;
                    }
                   pw.println(line);
                }
            }catch (IOException e){
                e.printStackTrace();
            }finally {
                try {
                    socket.close();
                }catch (IOException e){
                    e.printStackTrace();
                }
            }
        }
    public static void main(String[] args) {
        Client client = new Client();
        client.start();
    }
    private class  ServerHandler implements Runnable {
            public void run(){
                try {
                    InputStream in = socket.getInputStream();
                    InputStreamReader isr = new InputStreamReader(in,StandardCharsets.UTF_8);
                    BufferedReader br = new BufferedReader(isr);

                    String message;
                    while ((message = br.readLine())!=null){
                        System.out.println(message);
                    }
                }catch (IOException e){
                    e.printStackTrace();
                }
            }
}


    }
